8
9
This table shows what airflows the OSAK-125 kit can meet if you choose to program
the FT247 to run 25% of every 4 hour period.
25%
DWELLING UNIT
FLOOR AREA
(square feet)
NUMBER OF BEDROOMS
0 - 1
2 - 3
4 - 5
6 - 7
> 7
Airflow in CFM
< 1,500
120
180
240
300
360
1,501 - 3,000
180
240
300
360
420
3,001 - 4,500
240
300
360
420
480
4,501 - 6,000
300
360
420
480
540
6,001 - 7,500
360
420
480
540
600
> 7,500
420
480
540
600
660
This table shows what airflows the OSAK-125 kit can meet if you choose to program
the FT247 to run 33% of every 4 hour period.
33%
DWELLING UNIT
FLOOR AREA
(square feet)
NUMBER OF BEDROOMS
0 - 1
2 - 3
4 - 5
6 - 7
> 7
Airflow in CFM
< 1,500
90
135
180
225
270
1,501 - 3,000
135
180
225
270
315
3,001 - 4,500
180
225
270
315
360
4,501 - 6,000
225
270
315
360
405
6,001 - 7,500
270
315
360
405
450
> 7,500
315
360
405
450
495
This table shows what airflows the OSAK-125 kit can meet if you choose to program
the FT247 to run 50% of every 4 hour period.
50%
DWELLING UNIT
FLOOR AREA
(square feet)
NUMBER OF BEDROOMS
0 - 1
2 - 3
4 - 5
6 - 7
> 7
Airflow in CFM
< 1,500
60
90
120
150
180
1,501 - 3,000
90
120
150
180
210
3,001 - 4,500
120
150
180
210
240
4,501 - 6,000
150
180
210
240
270
6,001 - 7,500
180
210
240
270
300
> 7,500
210
240
270
300
330
